λ
Sigma Notebook

208,807

208807
Deficient Odd Prime

208,807 is odd and not a perfect square. Its factorization is 208807 and its 2 divisors sum to 208,808.

Prime Factor Structure

Factorization String 208807
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 208,808
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #208799 ← → #208837

Radix Representation

Decimal 208807
Binary 110010111110100111 (18 bits)
Octal 0o627647
Hexadecimal 0x32FA7

Divisor Catalog (2)

Collatz Trajectory (173 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

208,807 626,422 313,211 939,634 469,817 1,409,452 704,726 352,363 1,057,090 528,545 1,585,636 792,818 396,409 1,189,228 594,614 297,307 891,922 445,961 1,337,884 668,942 334,471 1,003,414 501,707 1,505,122 752,561 2,257,684 1,128,842 564,421 1,693,264 846,632 423,316 211,658 105,829 317,488 158,744 79,372 39,686 19,843 59,530 29,765 89,296 44,648 22,324 11,162 5,581 16,744 8,372 4,186 2,093 6,280 3,140 1,570 785 2,356 1,178 589 1,768 884 442 221

More profiles

← Previous Integer #208,806 Browse Full Index Next Integer #208,808 →